406804497 has 32 divisors (see below), whose sum is σ = 630443520. Its totient is φ = 230728320.

The previous prime is 406804487. The next prime is 406804499. The reversal of 406804497 is 794408604.

It is not a de Polignac number, because 406804497 - 2¹⁹ = 406280209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406804499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48133 + ... + 55949.

It is an arithmetic number, because the mean of its divisors is an integer number (19701360).

Almost surely, 2^406804497 is an apocalyptic number.

It is an amenable number.

406804497 is a deficient number, since it is larger than the sum of its proper divisors (223639023).

406804497 is a wasteful number, since it uses less digits than its factorization.

406804497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 406804497 is about 20169.3950578593. The cubic root of 406804497 is about 740.9608270236.

The spelling of 406804497 in words is "four hundred six million, eight hundred four thousand, four hundred ninety-seven".